abstract |
The present invention provides compounds of formula (I) wherein R 1 , R 2 , R 3 , R 4 , R 6 , R 7 , and A are as defined in the specification. The compounds of formula (I) have the activity of inhibiting Aβ-peptide production. The present invention also provides pharmaceutical compositions comprising a compound of formula (I) and methods for treating diseases such as Alzheimer's disease in mammals. |